31129309225
31,129,309,225 is an odd composite number composed of three prime numbers multiplied together.
What does the number 31129309225 look like?
This visualization shows the relationship between its 3 prime factors (large circles) and 45 divisors.
31129309225 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-five divisors.
Prime factorization of 31129309225:
52 × 72 × 714
(5 × 5 × 7 × 7 × 71 × 71 × 71 × 71)See below for interesting mathematical facts about the number 31129309225 from the Numbermatics database.
Names of 31129309225
- Cardinal: 31129309225 can be written as Thirty-one billion, one hundred twenty-nine million, three hundred nine thousand, two hundred twenty-five.
Scientific notation
- Scientific notation: 3.1129309225 × 1010
Factors of 31129309225
Divisors of 31129309225
- Number of divisors d(n): 45
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Complete list of divisors:
1 5 7 25 35 49 71 175 245 355 497 1225 1775 2485 3479 5041 12425 17395 25205 35287 86975 126025 176435 247009 357911 882175 1235045 1789555 2505377 6175225 8947775 12526885 17537639 25411681 62634425 87688195 127058405 177881767 438440975 635292025 889408835 1245172369 4447044175 6225861845 31129309225
- Sum of all divisors σ(n): 45543903735
- Sum of proper divisors (its aliquot sum) s(n): 14414594510
- 31129309225 is a deficient number, because the sum of its proper divisors (14414594510) is less than itself. Its deficiency is 16714714715
Bases of 31129309225
- Binary: 111001111110111001110010000001010012
- Hexadecimal: 0x73F739029
- Base-36: EATL4Q1
Squares and roots of 31129309225
- 31129309225 squared (311293092252) is 969033892825670100625
- 31129309225 cubed (311293092253) is 30165355699275793580192490765625
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31129309225 is a
perfect square number . Itssquare root is 176435 -
The
cube root of 31129309225 is 3145.7424373405
Scales and comparisons
How big is 31129309225?- 31,129,309,225 seconds is equal to 989 years, 42 weeks, 2 days, 22 hours, 20 minutes, 25 seconds.
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To count from 1 to 31,129,309,225 would take you about one thousand, nine hundred seventy-nine years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 31129309225 cubic inches would be around 262.1 feet tall.
Recreational maths with 31129309225
- 31129309225 backwards is 52290392113
- The number of decimal digits it has is: 11
- The sum of 31129309225's digits is 37
- More coming soon!
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